intake/db_test.go

package main

import (
	"database/sql"
	"fmt"
	"slices"
	"testing"

	_ "github.com/mattn/go-sqlite3"
)

func EphemeralDb(t *testing.T) *sql.DB {
	db, err := sql.Open("sqlite3", ":memory:")
	if err != nil {
		t.Fatal(err)
	}
	if err = InitDatabase(db); err != nil {
		t.Fatal(err)
	}
	if err = MigrateDatabase(db); err != nil {
		t.Fatal(err)
	}
	return db
}

func TestMigrations(t *testing.T) {
	db := EphemeralDb(t)
	defer db.Close()

	var count int
	row := db.QueryRow("select count(name) from migrations")
	if err := row.Scan(&count); err != nil {
		t.Fatal(err)
	}
	if count != 1 {
		t.Fatalf("Unexpected migration count: %d", count)
	}
}

func TestCreateSource(t *testing.T) {
	db := EphemeralDb(t)
	defer db.Close()

	if err := AddSource(db, "one"); err != nil {
		t.Fatal(err)
	}
	if err := AddSource(db, "two"); err != nil {
		t.Fatal(err)
	}
	if err := AddSource(db, "three"); err != nil {
		t.Fatal(err)
	}
	if err := DeleteSource(db, "two"); err != nil {
		t.Fatal(err)
	}

	rows, err := db.Query("select name from sources")
	if err != nil {
		t.Fatal(err)
	}
	var names []string
	expected := []string{"one", "three"}
	for rows.Next() {
		var name string
		rows.Scan(&name)
		names = append(names, name)
	}
	for i := 0; i < len(expected); i += 1 {
		if !slices.Contains(names, expected[i]) {
			t.Fatalf("missing %s, have: %v", expected[i], names)
		}
	}
}

func AssertItemIs(t *testing.T, item Item, expected string) {
	actual := fmt.Sprintf(
		"%s/%s/%t/%s/%s/%s/%s/%d",
		item.source,
		item.id,
		item.active,
		item.title,
		item.author,
		item.body,
		item.link,
		item.time,
	)
	if actual != expected {
		t.Fatalf("expected %s, got %s", expected, actual)
	}
}

func TestAddItem(t *testing.T) {
	db := EphemeralDb(t)
	defer db.Close()
	if err := AddSource(db, "test"); err != nil {
		t.Fatal(err)
	}

	if err := AddItem(db, "test", "one", "", "", "", "", 0); err != nil {
		t.Fatal(err)
	}
	if err := AddItem(db, "test", "two", "title", "author", "body", "link", 123456); err != nil {
		t.Fatal(err)
	}
	items, err := GetActiveItems(db, "test")
	if err != nil {
		t.Fatal(err)
	}
	if len(items) != 2 {
		t.Fatal("should get two items")
	}
	AssertItemIs(t, items[0], "test/one/true/////0")
	AssertItemIs(t, items[1], "test/two/true/title/author/body/link/123456")

	if err = DeactivateItem(db, "test", "one"); err != nil {
		t.Fatal(err)
	}
	items, err = GetActiveItems(db, "test")
	if err != nil {
		t.Fatal(err)
	}
	if len(items) != 1 {
		t.Fatal("should get one item")
	}
}